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Venous thromboembolic disease in the HIV-infected patient.
American Journal of Emergency Medicine 2011 March
OBJECTIVE: Infection with the HIV has developed into a chronic illness, with longer-term complications increasingly being seen. There is increasing evidence that infection with HIV may be associated with a hypercoagulable state. This study examines the association of HIV infection with the incidence of both pulmonary embolism and deep venous thrombosis.
METHODS: This study was a weighted analysis of data from National Hospital Discharge Survey, a national annual probability survey of discharges from short-stay non-Federal hospitals, from 1996-2004. The risk of pulmonary embolism and/or deep venous thrombosis in an HIV+ individual was ascertained for each age group by calculation of an odds ratio (OR) with a 95% confidence interval (CI). A common OR was computed across strata to evaluate the overall association between PE/DVT and HIV while adjusting for effects of age.
RESULTS: The overall age-adjusted OR indicates a statistically significant increase of 43% for PE in HIV+ individuals as opposed to HIV- individuals (OR, 1.43; 95% CI, 1.39-1.46). This increase differs by age group, with age group 21 to 50 years having the highest odds for PE among HIV+ individuals (OR, 1.58; 95% CI, 1.54-1.63).
CONCLUSIONS: The data supports the hypothesis that HIV-infected individuals are more likely to have clinically detected thromboembolic disease as opposed to non-HIV-infected individuals. This study reveals up to a 43% increase in OR of developing a PE, 10% increase in developing a DVT, and 40% increase in developing PE or DVT in an HIV-infected individual over the 9-year study period after adjusting for age.
METHODS: This study was a weighted analysis of data from National Hospital Discharge Survey, a national annual probability survey of discharges from short-stay non-Federal hospitals, from 1996-2004. The risk of pulmonary embolism and/or deep venous thrombosis in an HIV+ individual was ascertained for each age group by calculation of an odds ratio (OR) with a 95% confidence interval (CI). A common OR was computed across strata to evaluate the overall association between PE/DVT and HIV while adjusting for effects of age.
RESULTS: The overall age-adjusted OR indicates a statistically significant increase of 43% for PE in HIV+ individuals as opposed to HIV- individuals (OR, 1.43; 95% CI, 1.39-1.46). This increase differs by age group, with age group 21 to 50 years having the highest odds for PE among HIV+ individuals (OR, 1.58; 95% CI, 1.54-1.63).
CONCLUSIONS: The data supports the hypothesis that HIV-infected individuals are more likely to have clinically detected thromboembolic disease as opposed to non-HIV-infected individuals. This study reveals up to a 43% increase in OR of developing a PE, 10% increase in developing a DVT, and 40% increase in developing PE or DVT in an HIV-infected individual over the 9-year study period after adjusting for age.
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